IBM Netfinity 4500R Type 8656 Hardware Maintenance Manual page 10

3.
NO. Find the failure symptom in"Symptom-to-FRU index" on page 111.
YES. Run the Diagnostic Programs. If necessary, refer to "Starting the diagnostic
programs" on page 14.
If you receive an error, go to"Symptom-to-FRU index" on page 111.
If the diagnostics completed successfully and you still suspect a problem, see
"Undetermined problems" on page 133.
2
Hardware Maintenance Manual: Netfinity 4500R Type 8656
• Power-off the computer and all external devices.
• Check all cables and power cords.
• Set all display controls to the middle position.
• Power-on all external devices.
• Power-on the computer.
• Record any POST error messages displayed on the screen. If an error is
displayed, look up the first error in the"POST error codes" on page 122.
• Check the information LED panel System Error LED; if on, see "Information
panel system error LED" on page 114.
• Check the System Error Log. If an error was recorded by the system,
see"Symptom-to-FRU index" on page 111.
• Start the Diagnostic Programs. See "Starting the diagnostic programs" on
page 14.
• Check for the following responses:
a. One beep.
b. Readable instructions or the Main Menu.
DID YOU RECEIVE BOTH OF THE CORRECT RESPONSES?